rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (10488 ticks this GP) idle=35f/1/0x4000000000000000 softirq=135334/135983 fqs=5107
(t=10501 jiffies g=244545 q=2244)
NMI backtrace for cpu 1
CPU: 1 PID: 12936 Comm: syz-executor.5 Not tainted 5.16.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:343
print_cpu_stall kernel/rcu/tree_stall.h:627 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:711 [inline]
rcu_pending kernel/rcu/tree.c:3878 [inline]
rcu_sched_clock_irq.cold+0x9d/0x746 kernel/rcu/tree.c:2597
update_process_times+0x16d/0x200 kernel/time/timer.c:1785
tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1421
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 ba 00 16 f8 48 89 ef e8 02 77 16 f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 c3 40 09 f8 65 8b 05 ac c3 bb 76 85 c0 74 0a 5b 5d c3 e8 a0 30
RSP: 0018:ffffc90000dc0e28 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1fee42e
RDX: 0000000000000000 RSI: 0000000000000102 RDI: 0000000000000001
RBP: ffff8880b9d2a400 R08: 0000000000000001 R09: ffffffff8ff71a07
R10: 0000000000000001 R11: 0000000000000000 R12: 0000026d36bd6e21
R13: ffff8880b9d2a680 R14: ffff8880b9d2a400 R15: ffffffff854252d0
__run_hrtimer kernel/time/hrtimer.c:1681 [inline]
__hrtimer_run_queues+0x51a/0xe50 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:636
irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:format_decode+0x0/0xad0 lib/vsprintf.c:2513
Code: c7 c7 e0 55 91 8d be 10 00 00 00 e8 ca 8b 44 00 48 c7 c7 60 ee 4a 8c e9 8e aa 9b fd 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <41> 57 41 56 41 55 41 54 55 48 89 f5 53 48 bb 00 00 00 00 00 fc ff
RSP: 0018:ffffc9000459ee90 EFLAGS: 00000246
RAX: 0000000000040000 RBX: dffffc0000000000 RCX: ffffc90005ec9000
RDX: 0000000000040000 RSI: ffffc9000459ef00 RDI: ffffffff89acca26
RBP: ffffffff89acca26 R08: 0000000000000001 R09: 0000000000000025
R10: ffffffff84010dd9 R11: 0000000000000000 R12: ffffc9000459f16f
R13: ffffffff89acca26 R14: 0000000000000025 R15: ffffc9000459ef98
vsnprintf+0x157/0x14f0 lib/vsprintf.c:2757
sprintf+0xc0/0x100 lib/vsprintf.c:3007
print_time kernel/printk/printk.c:1261 [inline]
info_print_prefix+0x248/0x340 kernel/printk/printk.c:1287
record_print_text+0x14d/0x3e0 kernel/printk/printk.c:1336
console_unlock+0x2d8/0xb70 kernel/printk/printk.c:2692
vprintk_emit+0x198/0x4f0 kernel/printk/printk.c:2245
vprintk+0x80/0x90 kernel/printk/printk_safe.c:50
_printk+0xba/0xed kernel/printk/printk.c:2266
show_free_areas.cold+0x4aa/0x9b4 mm/page_alloc.c:5986
show_mem+0x31/0x191 lib/show_mem.c:17
warn_alloc_show_mem mm/page_alloc.c:4198 [inline]
warn_alloc.cold+0x10e/0x17a mm/page_alloc.c:4221
__vmalloc_area_node mm/vmalloc.c:2964 [inline]
__vmalloc_node_range+0x883/0xab0 mm/vmalloc.c:3065
__vmalloc_node mm/vmalloc.c:3114 [inline]
__vmalloc+0x69/0x80 mm/vmalloc.c:3128
__snd_dma_alloc_pages+0x50/0x90 sound/core/memalloc.c:39
snd_dma_alloc_dir_pages+0x14d/0x240 sound/core/memalloc.c:73
do_alloc_pages+0xc2/0x180 sound/core/pcm_memory.c:48
snd_pcm_lib_malloc_pages+0x3e2/0x990 sound/core/pcm_memory.c:424
snd_pcm_hw_params+0x1408/0x1990 sound/core/pcm_native.c:719
snd_pcm_kernel_ioctl+0x164/0x310 sound/core/pcm_native.c:3372
snd_pcm_oss_change_params_locked+0x1936/0x3a60 sound/core/oss/pcm_oss.c:947
snd_pcm_oss_change_params sound/core/oss/pcm_oss.c:1091 [inline]
snd_pcm_oss_make_ready+0xe7/0x1b0 sound/core/oss/pcm_oss.c:1150
snd_pcm_oss_sync+0x1de/0x800 sound/core/oss/pcm_oss.c:1717
snd_pcm_oss_release+0x276/0x300 sound/core/oss/pcm_oss.c:2571
__fput+0x286/0x9f0 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f70553daae9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7052950188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f70554edf60 RCX: 00007f70553daae9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007f7055434f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7055a21b2f R14: 00007f7052950300 R15: 0000000000022000
NMI backtrace for cpu 1
CPU: 1 PID: 12936 Comm: syz-executor.5 Not tainted 5.16.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:check_region_inline mm/kasan/generic.c:169 [inline]
RIP: 0010:kasan_check_range+0x9/0x180 mm/kasan/generic.c:189
Code: 47 08 48 c7 c6 a0 af 38 8b 48 8d 50 ff a8 01 48 0f 45 fa e8 69 78 ec ff 0f 0b 0f 1f 80 00 00 00 00 48 85 f6 0f 84 3c 01 00 00 <49> 89 f9 41 54 44 0f b6 c2 49 01 f1 55 53 0f 82 18 01 00 00 48 b8
RSP: 0018:ffffc90000dc0338 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 1ffff920001b806f RCX: ffffffff815c30df
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8ff71a08
RBP: 0000000000000200 R08: 0000000000000000 R09: ffffffff8ff71a0f
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000009
R13: ffff88809ba36228 R14: 0000000000000042 R15: ffff88809ba36248
FS: 00007f7052950700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007feea516b000 CR3: 00000000358c4000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read include/linux/instrumented.h:71 [inline]
test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
hlock_class kernel/locking/lockdep.c:199 [inline]
mark_lock+0xef/0x17b0 kernel/locking/lockdep.c:4583
mark_usage kernel/locking/lockdep.c:4526 [inline]
__lock_acquire+0x8a7/0x54a0 kernel/locking/lockdep.c:4981
lock_acquire kernel/locking/lockdep.c:5637 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5602
seqcount_lockdep_reader_access include/linux/seqlock.h:103 [inline]
timekeeping_get_delta kernel/time/timekeeping.c:252 [inline]
timekeeping_get_ns kernel/time/timekeeping.c:386 [inline]
ktime_get_update_offsets_now+0x14d/0x5c0 kernel/time/timekeeping.c:2300
hrtimer_update_base kernel/time/hrtimer.c:631 [inline]
hrtimer_interrupt+0x3ad/0x790 kernel/time/hrtimer.c:1843
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1171 [inline]
RIP: 0010:rcu_lockdep_current_cpu_online+0xa2/0x150 kernel/rcu/tree.c:1160
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 90 00 00 00 48 8d 7b 20 48 8b 6b 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 7b 48 8d 7d 70 48 8b 5b 20 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc90000dc08c8 EFLAGS: 00000a06
RAX: dffffc0000000000 RBX: ffff8880b9d3a900 RCX: 0000000000000100
RDX: 1ffff110173a7524 RSI: 0000000000000303 RDI: ffff8880b9d3a920
RBP: ffffffff8bb8ca00 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff88992537 R11: 000000000000000c R12: dffffc0000000000
R13: ffff88803771f8c0 R14: 0000000000000014 R15: 0000000000000001
rcu_read_lock_held_common kernel/rcu/update.c:112 [inline]
rcu_read_lock_held_common kernel/rcu/update.c:102 [inline]
rcu_read_lock_held+0x21/0x40 kernel/rcu/update.c:309
ieee80211_rx_h_decrypt net/mac80211/rx.c:1953 [inline]
ieee80211_rx_handlers+0xa9c/0xb1e0 net/mac80211/rx.c:3921
ieee80211_invoke_rx_handlers net/mac80211/rx.c:3973 [inline]
ieee80211_prepare_and_rx_handle+0x2223/0x5070 net/mac80211/rx.c:4688
__ieee80211_rx_handle_packet net/mac80211/rx.c:4786 [inline]
ieee80211_rx_list+0x1767/0x27c0 net/mac80211/rx.c:4971
ieee80211_rx_napi+0xdb/0x3d0 net/mac80211/rx.c:4994
ieee80211_rx include/net/mac80211.h:4582 [inline]
ieee80211_tasklet_handler+0xd4/0x130 net/mac80211/main.c:235
tasklet_action_common.constprop.0+0x201/0x2e0 kernel/softirq.c:783
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:636
irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:format_decode+0x710/0xad0 lib/vsprintf.c:2561
Code: 4c 89 24 24 e9 ce fa ff ff e8 3c 8b 77 fd 80 4d 04 04 eb ec e8 31 8b 77 fd 80 4d 04 40 eb e1 e8 26 8b 77 fd 80 4d 04 08 eb d6 1b 8b 77 fd 80 4d 04 10 eb cb e8 10 8b 77 fd 80 4d 04 01 e9 ae
RSP: 0018:ffffc9000459ede8 EFLAGS: 00000246
RAX: 0000000000000010 RBX: ffffffff89acca26 RCX: 0000000000000005
RDX: 0000000000000000 RSI: ffff88809ba35700 RDI: 0000000000000003
RBP: ffffc9000459ef00 R08: ffffffff8a08bea0 R09: ffffffff8400093a
R10: 0000000000000005 R11: 0000000000000030 R12: ffffffff89acca27
R13: ffffffff89acca26 R14: 1ffff920008b3dc0 R15: 0000000000000030
vsnprintf+0x157/0x14f0 lib/vsprintf.c:2757
sprintf+0xc0/0x100 lib/vsprintf.c:3007
print_time kernel/printk/printk.c:1261 [inline]
info_print_prefix+0x248/0x340 kernel/printk/printk.c:1287
record_print_text+0x14d/0x3e0 kernel/printk/printk.c:1336
console_unlock+0x2d8/0xb70 kernel/printk/printk.c:2692
vprintk_emit+0x198/0x4f0 kernel/printk/printk.c:2245
vprintk+0x80/0x90 kernel/printk/printk_safe.c:50
_printk+0xba/0xed kernel/printk/printk.c:2266
show_free_areas.cold+0x4aa/0x9b4 mm/page_alloc.c:5986
show_mem+0x31/0x191 lib/show_mem.c:17
warn_alloc_show_mem mm/page_alloc.c:4198 [inline]
warn_alloc.cold+0x10e/0x17a mm/page_alloc.c:4221
__vmalloc_area_node mm/vmalloc.c:2964 [inline]
__vmalloc_node_range+0x883/0xab0 mm/vmalloc.c:3065
__vmalloc_node mm/vmalloc.c:3114 [inline]
__vmalloc+0x69/0x80 mm/vmalloc.c:3128
__snd_dma_alloc_pages+0x50/0x90 sound/core/memalloc.c:39
snd_dma_alloc_dir_pages+0x14d/0x240 sound/core/memalloc.c:73
do_alloc_pages+0xc2/0x180 sound/core/pcm_memory.c:48
snd_pcm_lib_malloc_pages+0x3e2/0x990 sound/core/pcm_memory.c:424
snd_pcm_hw_params+0x1408/0x1990 sound/core/pcm_native.c:719
snd_pcm_kernel_ioctl+0x164/0x310 sound/core/pcm_native.c:3372
snd_pcm_oss_change_params_locked+0x1936/0x3a60 sound/core/oss/pcm_oss.c:947
snd_pcm_oss_change_params sound/core/oss/pcm_oss.c:1091 [inline]
snd_pcm_oss_make_ready+0xe7/0x1b0 sound/core/oss/pcm_oss.c:1150
snd_pcm_oss_sync+0x1de/0x800 sound/core/oss/pcm_oss.c:1717
snd_pcm_oss_release+0x276/0x300 sound/core/oss/pcm_oss.c:2571
__fput+0x286/0x9f0 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f70553daae9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7052950188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f70554edf60 RCX: 00007f70553daae9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007f7055434f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7055a21b2f R14: 00007f7052950300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: 74 24 je 0x26
2: 10 e8 adc %ch,%al
4: ba 00 16 f8 48 mov $0x48f81600,%edx
9: 89 ef mov %ebp,%edi
b: e8 02 77 16 f8 callq 0xf8167712
10: 81 e3 00 02 00 00 and $0x200,%ebx
16: 75 25 jne 0x3d
18: 9c pushfq
19: 58 pop %rax
1a: f6 c4 02 test $0x2,%ah
1d: 75 2d jne 0x4c
1f: 48 85 db test %rbx,%rbx
22: 74 01 je 0x25
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 c3 40 09 f8 callq 0xf80940f2 <-- trapping instruction
2f: 65 8b 05 ac c3 bb 76 mov %gs:0x76bbc3ac(%rip),%eax # 0x76bbc3e2
36: 85 c0 test %eax,%eax
38: 74 0a je 0x44
3a: 5b pop %rbx
3b: 5d pop %rbp
3c: c3 retq
3d: e8 .byte 0xe8
3e: a0 .byte 0xa0
3f: 30 .byte 0x30